Martin Honnen created XALANJ-2717:
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Summary: Identity transformation template with apply-templates
select="(@*, node())" gives NullPointerException
Key: XALANJ-2717
URL: https://issues.apache.org/jira/browse/XALANJ-2717
Project: XalanJ2
Issue Type: Bug
Security Level: No security risk; visible to anyone (Ordinary problems in
Xalan projects. Anybody can view the issue.)
Components: transformation, Xalan, Xalan-CmdLine
Affects Versions: The Latest Development Code
Reporter: Martin Honnen
Assignee: Gary D. Gregory
This is a bug report on the XSLT 3.0 development branch of XalanJ.
According to its documentation it supports the XPath 2 and later "comma"
operator to form sequences and Mukul in an email on the Xalan user list
explained me that such expressions need to be written as e.g. (a, b) instead of
simply a, b.
Following that advice I used a simple test stylesheet that instead of
apply-templates select="@* | node()" uses apply-templates select="(@* ,
node())", to express the identity transformation template how it is sometimes
done in XSLT 2 and 3.
The complete code is
{code:java}
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="3.0"
xmlns:xs="http://www.w3.org/2001/XMLSchema";
exclude-result-prefixes="xs">
<xsl:template match="@* | node()">
<xsl:copy>
<xsl:apply-templates select="(@* , node())"/>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
{code}
run that against a sample input like
{code:java}
<root>
<p>This is a test.</p>
</root>{code}
and you get a NullPointerException: " line number 9; column number 52;
java.lang.NullPointerException".
I would expect the code to run without problems and return the input document
unchanged.
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